numba - TypingError: cannot determine Numba type of

Question

I have a simple function to rank poker hands (the hands are strings).

I call it with rA,rB = rank(a),rank(b) and here is my implementation. Works well witho

Answer 1

Pandas and several other function calls in your code will not work with nopython=True. The available libraries that can be used with numba jit in nopython is fairly limited (pretty much only to numpy arrays and certain python builtin libraries). You can find more information here